<!DOCTYPE html>
<html lang="en" class="reftest-wait">
<meta charset="utf-8">
<title>Change a layer's transform making negative w component.</title>

<style>

body {
  background-color: white;
  overflow: hidden;
}

#outer {
  perspective: 500px;
  perspective-origin: 350px 250px;
  width: 700px;
  height: 500px;
  display: block;
  top: 10px;
  left: 10px;
  position: absolute;
  overflow: visible;
}

#container1 {
  transform-style: preserve-3d;
  transform: translateX(-50px) translateZ(350px) rotateY(-90deg);
}

#container2 {
  transform-style: preserve-3d;
  transform: translateY(-200px) translateX(50px) translateZ(350px) rotateY(90deg);
}

#scale {
  transform-style: preserve-3d;
}

.negw {
  transform: translateZ(1px);
}

.posw {
  transform: translateZ(-500px);;
}

#dummy {
  transform-style: preserve-3d;
  transform: translateY(150px);
}

#square1, #square2 {
  background-color: red;
  width: 700px;
  height: 200px;
}

</style>

<body>

<div id="outer">
  <div id="scale" class="negw">
    <div id="dummy">
      <div id="container1">
	<div id="square1"></div>
      </div>
      <div id="container2">
	<div id="square2"></div>
      </div>
    </div>
  </div>
</div>

<script>

var scale = document.getElementById("scale");

function doTest() {
  scale.className = "posw";
  document.documentElement.removeAttribute("class");
}

document.addEventListener("MozReftestInvalidate", doTest, false);

</script>
